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If AB=21, B`-=(-2,1,-8)` and the direction cosines of AB are `6/7, 2/7, 3/7` , then the co-ordinates of points in line PQ nearer to the origin at a di

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If AB=21, B`-=(-2,1,-8)` and the direction cosines of AB are `6/7, 2/7, 3/7` , then the co-ordinates of points in line PQ nearer to the origin at a distance of 14 units from A are
A. `(-16,-7,-1)`
B. `(-20, -5,17)`
C. `(16,7,1)`
D. `(20, 5,17)`
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Correct Answer - C
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